It took a long time for zero to be recognised as a number at all, let alone one of the most powerful ones – but now it’s ...
Why did they form at that time? Astronomers know from observing distant exploding stars that the size of the universe has ...
Developed by researchers at MIT, the method uses the atom’s own electrons as “messengers” within a molecule to help probe ...
MIT researchers have devised a new molecular technique that lets electrons probe inside atomic nuclei, replacing massive particle accelerators with a tabletop setup. By studying radium monofluoride, ...
Hidden deep in ancient rocks, scientists have found the surviving traces of Earth’s first form—unchanged for 4.5 billion ...
In a first, researchers have discovered fragments of Earth's precursor that contain distinctive chemical fingerprints in ...
Scientists have found that a sample of the moon brought to Earth in 1972 by Apollo 17 astronauts contains a ratio of sulfur ...
Spain’s Social Security website helps users access their personal data and services online. Credit : Ure, Shutterstock Misplaced your Spanish Social Security number and now a form is glaring at you in ...
Abstract: The problem of reducing the number of elements in a broadband linear array with multiple simultaneous crossover frequency-invariant (FI) patterns is considered. Different from the single FI ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback